Investigations on the Methane Adsorption Behaviors of Ultrasonic Bath Assisted Bituminous Coal

Yanyan Feng; Wen Yang; Chengfa Jiang; Wei Chu

doi:doi:10.11648/j.ogce.20130102.12

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Investigations on the Methane Adsorption Behaviors of Ultrasonic Bath Assisted Bituminous Coal

Yanyan Feng, Wen Yang, Chengfa Jiang, Wei Chu

Published in International Journal of Oil, Gas and Coal Engineering (Volume 1, Issue 2)

Received: Accepted: Published: 30 September 2013

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Abstract

The purpose of this work was to prepare coals with various pore structures, and investigate both microporosity development and corresponding methane adsorption capacities. A series of coal samples have been prepared by ultrasonic bath, and characterized by N2 adsorption and scanning electron microscopy (SEM) to obtain the pore structure and surface morphology of the samples. Methane adsorption measurement was conducted in the temperature range 25~55 °C and at pressures of up to 3.5 MPa. The Langmuir equation was applied to fit the experimental data, and the result showed the methane uptake correlated to the micropore volume and surface area, provided by the adsorption of N2 at 77 K. The surface area, pore volume, pore size distribution and surface morphology of the coal have changed significantly when treated for 10 min, resulting in the maximum of methane adsorption capacity. With the time further increasing, the surface area, pore volume and microporosity of the coal samples were reduced, along with the decrease of methane adsorption capacity. It can be concluded that the surface area, pore volume and microporosity had positive correlations with the amount of methane adsorption. The attenuation coefficient of the saturated adsorption amount over the coal samples substantially presented an inverse ‘U-shape’, indicating that the variation of the saturated adsorption amount was mainly controlled by the pore structure. Moreover, the temperature had a certain relationship with the attenuation coefficient of the saturated adsorption amount.

Published in	International Journal of Oil, Gas and Coal Engineering (Volume 1, Issue 2)
DOI	10.11648/j.ogce.20130102.12
Page(s)	23-28
Creative Commons	This is an Open Access article, distributed under the terms of the Creative Commons Attribution 4.0 International License (http://creativecommons.org/licenses/by/4.0/), which permits unrestricted use, distribution and reproduction in any medium or format, provided the original work is properly cited.
Copyright	Copyright © The Author(s), 2024. Published by Science Publishing Group

Keywords

Methane, Ultrasonic Treatment, Coal, Adsorption, Temperature

References

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APA Style

Yanyan Feng, Wen Yang, Chengfa Jiang, Wei Chu. (2013). Investigations on the Methane Adsorption Behaviors of Ultrasonic Bath Assisted Bituminous Coal. International Journal of Oil, Gas and Coal Engineering, 1(2), 23-28. https://doi.org/10.11648/j.ogce.20130102.12

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ACS Style

Yanyan Feng; Wen Yang; Chengfa Jiang; Wei Chu. Investigations on the Methane Adsorption Behaviors of Ultrasonic Bath Assisted Bituminous Coal. Int. J. Oil Gas Coal Eng. 2013, 1(2), 23-28. doi: 10.11648/j.ogce.20130102.12

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AMA Style

Yanyan Feng, Wen Yang, Chengfa Jiang, Wei Chu. Investigations on the Methane Adsorption Behaviors of Ultrasonic Bath Assisted Bituminous Coal. Int J Oil Gas Coal Eng. 2013;1(2):23-28. doi: 10.11648/j.ogce.20130102.12

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@article{10.11648/j.ogce.20130102.12,
  author = {Yanyan Feng and Wen Yang and Chengfa Jiang and Wei Chu},
  title = {Investigations on the Methane Adsorption Behaviors of Ultrasonic Bath Assisted Bituminous Coal},
  journal = {International Journal of Oil, Gas and Coal Engineering},
  volume = {1},
  number = {2},
  pages = {23-28},
  doi = {10.11648/j.ogce.20130102.12},
  url = {https://doi.org/10.11648/j.ogce.20130102.12},
  eprint = {https://article.sciencepublishinggroup.com/pdf/10.11648.j.ogce.20130102.12},
  abstract = {The purpose of this work was to prepare coals with various pore structures, and investigate both microporosity development and corresponding methane adsorption capacities. A series of coal samples have been prepared by ultrasonic bath, and characterized by N2 adsorption and scanning electron microscopy (SEM) to obtain the pore structure and surface morphology of the samples. Methane adsorption measurement was conducted in the temperature range 25~55 °C and at pressures of up to 3.5 MPa. The Langmuir equation was applied to fit the experimental data, and the result showed the methane uptake correlated to the micropore volume and surface area, provided by the adsorption of N2 at 77 K. The surface area, pore volume, pore size distribution and surface morphology of the coal have changed significantly when treated for 10 min, resulting in the maximum of methane adsorption capacity. With the time further increasing, the surface area, pore volume and microporosity of the coal samples were reduced, along with the decrease of methane adsorption capacity. It can be concluded that the surface area, pore volume and microporosity had positive correlations with the amount of methane adsorption. The attenuation coefficient of the saturated adsorption amount over the coal samples substantially presented an inverse ‘U-shape’, indicating that the variation of the saturated adsorption amount was mainly controlled by the pore structure. Moreover, the temperature had a certain relationship with the attenuation coefficient of the saturated adsorption amount.},
 year = {2013}
}

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TY  - JOUR
T1  - Investigations on the Methane Adsorption Behaviors of Ultrasonic Bath Assisted Bituminous Coal
AU  - Yanyan Feng
AU  - Wen Yang
AU  - Chengfa Jiang
AU  - Wei Chu
Y1  - 2013/09/30
PY  - 2013
N1  - https://doi.org/10.11648/j.ogce.20130102.12
DO  - 10.11648/j.ogce.20130102.12
T2  - International Journal of Oil, Gas and Coal Engineering
JF  - International Journal of Oil, Gas and Coal Engineering
JO  - International Journal of Oil, Gas and Coal Engineering
SP  - 23
EP  - 28
PB  - Science Publishing Group
SN  - 2376-7677
UR  - https://doi.org/10.11648/j.ogce.20130102.12
AB  - The purpose of this work was to prepare coals with various pore structures, and investigate both microporosity development and corresponding methane adsorption capacities. A series of coal samples have been prepared by ultrasonic bath, and characterized by N2 adsorption and scanning electron microscopy (SEM) to obtain the pore structure and surface morphology of the samples. Methane adsorption measurement was conducted in the temperature range 25~55 °C and at pressures of up to 3.5 MPa. The Langmuir equation was applied to fit the experimental data, and the result showed the methane uptake correlated to the micropore volume and surface area, provided by the adsorption of N2 at 77 K. The surface area, pore volume, pore size distribution and surface morphology of the coal have changed significantly when treated for 10 min, resulting in the maximum of methane adsorption capacity. With the time further increasing, the surface area, pore volume and microporosity of the coal samples were reduced, along with the decrease of methane adsorption capacity. It can be concluded that the surface area, pore volume and microporosity had positive correlations with the amount of methane adsorption. The attenuation coefficient of the saturated adsorption amount over the coal samples substantially presented an inverse ‘U-shape’, indicating that the variation of the saturated adsorption amount was mainly controlled by the pore structure. Moreover, the temperature had a certain relationship with the attenuation coefficient of the saturated adsorption amount.
VL  - 1
IS  - 2
ER  -

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Author Information

Yanyan Feng

Department of Chemical Engineering, Sichuan University, Chengdu 610065, China
Wen Yang

Department of Chemical Engineering, Sichuan University, Chengdu 610065, China
Chengfa Jiang

Department of Chemical Engineering, Sichuan University, Chengdu 610065, China
Wei Chu

Department of Chemical Engineering, Sichuan University, Chengdu 610065, China

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APA Style

Yanyan Feng, Wen Yang, Chengfa Jiang, Wei Chu. (2013). Investigations on the Methane Adsorption Behaviors of Ultrasonic Bath Assisted Bituminous Coal. International Journal of Oil, Gas and Coal Engineering, 1(2), 23-28. https://doi.org/10.11648/j.ogce.20130102.12

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ACS Style

Yanyan Feng; Wen Yang; Chengfa Jiang; Wei Chu. Investigations on the Methane Adsorption Behaviors of Ultrasonic Bath Assisted Bituminous Coal. Int. J. Oil Gas Coal Eng. 2013, 1(2), 23-28. doi: 10.11648/j.ogce.20130102.12

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AMA Style

Yanyan Feng, Wen Yang, Chengfa Jiang, Wei Chu. Investigations on the Methane Adsorption Behaviors of Ultrasonic Bath Assisted Bituminous Coal. Int J Oil Gas Coal Eng. 2013;1(2):23-28. doi: 10.11648/j.ogce.20130102.12

Copy | Download

@article{10.11648/j.ogce.20130102.12,
  author = {Yanyan Feng and Wen Yang and Chengfa Jiang and Wei Chu},
  title = {Investigations on the Methane Adsorption Behaviors of Ultrasonic Bath Assisted Bituminous Coal},
  journal = {International Journal of Oil, Gas and Coal Engineering},
  volume = {1},
  number = {2},
  pages = {23-28},
  doi = {10.11648/j.ogce.20130102.12},
  url = {https://doi.org/10.11648/j.ogce.20130102.12},
  eprint = {https://article.sciencepublishinggroup.com/pdf/10.11648.j.ogce.20130102.12},
  abstract = {The purpose of this work was to prepare coals with various pore structures, and investigate both microporosity development and corresponding methane adsorption capacities. A series of coal samples have been prepared by ultrasonic bath, and characterized by N2 adsorption and scanning electron microscopy (SEM) to obtain the pore structure and surface morphology of the samples. Methane adsorption measurement was conducted in the temperature range 25~55 °C and at pressures of up to 3.5 MPa. The Langmuir equation was applied to fit the experimental data, and the result showed the methane uptake correlated to the micropore volume and surface area, provided by the adsorption of N2 at 77 K. The surface area, pore volume, pore size distribution and surface morphology of the coal have changed significantly when treated for 10 min, resulting in the maximum of methane adsorption capacity. With the time further increasing, the surface area, pore volume and microporosity of the coal samples were reduced, along with the decrease of methane adsorption capacity. It can be concluded that the surface area, pore volume and microporosity had positive correlations with the amount of methane adsorption. The attenuation coefficient of the saturated adsorption amount over the coal samples substantially presented an inverse ‘U-shape’, indicating that the variation of the saturated adsorption amount was mainly controlled by the pore structure. Moreover, the temperature had a certain relationship with the attenuation coefficient of the saturated adsorption amount.},
 year = {2013}
}

Copy | Download

TY  - JOUR
T1  - Investigations on the Methane Adsorption Behaviors of Ultrasonic Bath Assisted Bituminous Coal
AU  - Yanyan Feng
AU  - Wen Yang
AU  - Chengfa Jiang
AU  - Wei Chu
Y1  - 2013/09/30
PY  - 2013
N1  - https://doi.org/10.11648/j.ogce.20130102.12
DO  - 10.11648/j.ogce.20130102.12
T2  - International Journal of Oil, Gas and Coal Engineering
JF  - International Journal of Oil, Gas and Coal Engineering
JO  - International Journal of Oil, Gas and Coal Engineering
SP  - 23
EP  - 28
PB  - Science Publishing Group
SN  - 2376-7677
UR  - https://doi.org/10.11648/j.ogce.20130102.12
AB  - The purpose of this work was to prepare coals with various pore structures, and investigate both microporosity development and corresponding methane adsorption capacities. A series of coal samples have been prepared by ultrasonic bath, and characterized by N2 adsorption and scanning electron microscopy (SEM) to obtain the pore structure and surface morphology of the samples. Methane adsorption measurement was conducted in the temperature range 25~55 °C and at pressures of up to 3.5 MPa. The Langmuir equation was applied to fit the experimental data, and the result showed the methane uptake correlated to the micropore volume and surface area, provided by the adsorption of N2 at 77 K. The surface area, pore volume, pore size distribution and surface morphology of the coal have changed significantly when treated for 10 min, resulting in the maximum of methane adsorption capacity. With the time further increasing, the surface area, pore volume and microporosity of the coal samples were reduced, along with the decrease of methane adsorption capacity. It can be concluded that the surface area, pore volume and microporosity had positive correlations with the amount of methane adsorption. The attenuation coefficient of the saturated adsorption amount over the coal samples substantially presented an inverse ‘U-shape’, indicating that the variation of the saturated adsorption amount was mainly controlled by the pore structure. Moreover, the temperature had a certain relationship with the attenuation coefficient of the saturated adsorption amount.
VL  - 1
IS  - 2
ER  -

Copy | Download